Trends in global semen parameter values
نویسندگان
چکیده
منابع مشابه
Trends in global semen parameter values.
llegations for a worldwide decline in semen parameter values have not withstood scientific scrutiny. Methodological flaws in an influential 1992 paper are summarized here, and studies that have been published since 1992 are reviewed. Of the 35 major studies of time trends in semen quality reviewed here, eight (a total of 18 109 men) suggest a decline in semen quality; 21 (112 386 men) show eith...
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ژورنال
عنوان ژورنال: Asian Journal of Andrology
سال: 2013
ISSN: 1008-682X,1745-7262
DOI: 10.1038/aja.2012.143